Home / 1,717.19-2,369.85-1,045.26

Finding the Fourth Proportional to 1,717.19, 2,369.85 and 1,045.26

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Solution

The fourth proportional to 1,717.19, 2,369.85 and 1,045.26 is: 1,442.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.19 : 2,369.85 = 1,045.26 : x
  2. Step 2: Convert to fraction form
    1,717.19/2,369.85 = 1,045.26/x
  3. Step 3: Cross multiply
    1,717.19x = 2,369.85 × 1,045.26
  4. Step 4: Simplify right side
    1,717.19x = 2,477,109.41
  5. Step 5: Solve for x
    x = 2,477,109.41/1,717.19
  6. Step 6: Final answer
    x = 1,442.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.